Isatis Root - Ban Lan Gen (Radix Isatidis):
[Source] Ban Lan Gen - the root of Isatis tinctoria L., family Crucifeae. The root is dug and collected in autumn, from which silt is removed and dried in the sun
[Function] Ban Lan Gen clears heat and removes toxins, cools the blood and benefits the throat.
[Application] Ban Lan Gen has an anti-viral action, so it is often used for viral infectious diseases, such as the flu, hepatitis B etc. It can be used for sore throat, headache and fever.
